When you are searching for ways to recover your files on the Chromebook, you can try to start with looking into your Files app, Trash, Google Drive, or other cloud storage services and back-ups that you usually use. In case of recent file deletion, restoring it from the Trash is the quickest solution. However, in cases when the files are already deleted permanently, the process of recovery will depend on the location of your files and whether the storage information has been overwritten or not.
Read more – https://notchox.com/resources/how-to-recover-files-from-chromebook/